This data server provides access to the CAHA Archive. The German-Spanish Astronomical Center at Calar Alto is located in the
Sierra de Los Filabres (Andalucía, Southern Spain) north of Almería. It is operated jointly by the Max-Planck-Institut für Astronomie (MPIA)
in Heidelberg, Germany, and the Instituto de Astrofísica de Andalucía (CSIC) in Granada/Spain. Calar Alto provides three telescopes with apertures of 1.23m,
2.2m and 3.5m to the general community.

The CAHA Archive has been developed in the framework of the Spanish Virtual Observatory project supported by the Spanish MICINN through grant AYA 2008-02156.
The system is maintained by the Data Archive Unit of the CAB (CSIC -INTA)

If you use this service in your research, please include the following acknowledgement in any resulting publications: